Female teacher in headset explaining trigonometric functions to students online

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Online Lecture Concept. Young female professor making video conference with students, pointing at board, explaining trigonometric functions to students. Woman in headphones filming class on smartphone

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Size: 6720px × 4480px
Location: Ukraine
Photo credit: © Prostock-studio / Alamy / Afripics
License: Royalty Free
Model Released: Yes

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